<template>
    <div>
       <!-- 导航 -->
        <el-breadcrumb separator="/">
            <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>数据统计</el-breadcrumb-item>
            <el-breadcrumb-item>数据报表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片视图 -->
        <el-card>
             <div id="main" style="width: 750px;height:400px;"></div>
        </el-card>
    </div>
</template>

<script>
import echarts from 'echarts'
import _ from 'lodash'

export default ({
    data() {
       return{
          options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
            } 
       } 
    },
    created(){

    },
   async mounted(){
         var myChart = echarts.init(document.getElementById('main'));
      const {data:res} =  await this.$http.get('reports/type/1')
      if(res.meta.status!==200){
          return this.$message.error('获取折线图失败')
      }
       const result =_.merge(res.data,this.options) 

        myChart.setOption(result);
    },
    methods:{}
})
</script>

<style lang="less" scoped>

</style>
